Front Matter

9

The breeding seasons 1952 and 1953

29-30

Effects of aureomycin on the growth of ducklings

33-43

Pathological investigations

33-46

Trapping of the Queen's Trumpeter Swans in British Columbia

47-50

A visit to the Delta Waterfowl Research Station

51-54

Behaviour of the Bolivian Torrent Duck

69-72

White-fronted Goose statistics, 1952-53

73-78

Triumph display in geese

82

Rounding up Canada Geese - 1. Stapleford Park, Leicestershire

82

Rounding up Canada Geese - 2. Englefield Park, Berkshire

83

Experiments on the following-reaction of ducklings

84-89

Some results of recent British Mallard ringing

90-99

The swans, geese and ducks of the British Isles

156-172

The Wildfowl Trust Sixth Annual Report

Report

5-6

Wild Geese

7-10

Marking of geese

10

Recaptures and recoveries

11-18

Wild Ducks

19-20

Recoveries of Ducks

21-27